This week in PopTech: Vertical farms, science fairs and Facebook apps

There’s always something brewing in the PopTech community. From the world-changing people, projects and ideas in our network, a handful of this week’s highlights follows.

Zoning has been approved for a five-story Growing Powervertical urban farm and education center that will expand the organization’s current operations in Milwaukee, WI. Run by Will Allen, Growing Power is transforming the production and delivery of healthy foods to underserved urban populations.

Google and our friends at National Geographic have launched the first-ever global online science fair. The fair is open to full-time students ages 13 to 18 and will be judged by an esteemed panel of experts, including PopTech Spark Innovator and marine biologist Tierney Thys.

Professor of Psychology and Behavioral Economics at Duke University, Dan Ariely, has created a Facebook App called Friend Measure to expand his research of human behavior. Participants answer one question per week and see if he or she can predict how their friends will answer the same question.